Everything You Need To Learn About Fob Key Repair
Key Fob Replacement and Repair
Modern car key fobs are used often and are often abused. Many times just a simple replacement or repair is all that's required to get them back in good working order.
The majority of fobs are made with flat watch-style batteries, which are easy to find in hardware stores and auto parts stores. Before you call in a professional, you can do some DIY fixes.
Dead Key Fob Batteries
The key fob battery powers the remote function of your car and, with push-to-start vehicles, allows it to start your engine. car remote key repair is why it is critical to maintain an efficient, functioning battery. When you're out and about and your key fob is not working, it can be a huge problem. The good news is that a cheap, simple replacement can fix it quickly.
The loss of range and signal strength are the most commonly observed signs that a keyfob battery is failing. It is also possible to notice that the buttons on your fob do not work or require additional effort to be activated.
You will often find the latest key fob batteries in the auto parts section of a large box retailer or online. They are typically CR2032 or CR2025 batteries and are available in packs of two or more. However it's a good idea to read the owner's manual before you shop for the correct battery for your fob. Certain vehicles require a certain size or kind of battery that's not always in stock at big-box stores Be sure to know the right specs before you purchase.
Typically the battery is placed in the back of your key fob. It is removed by tearing open the case with an abrasive screwdriver with a flat blade. The battery will look like tiny coins and will be identified according to its size. Make sure to note the way the plus and minus symbols are placed to ensure that the new battery is properly placed. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together, and test the buttons.
If your key fob still does not work after replacing the battery, it may be deprogrammed. In this instance you'll need to call an expert locksmith, which will cost some more than replacing the battery in your key fob.
Our skilled mechanics at YourMechanic can repair your key fob in the event that it is damaged or if the battery has died. Make Read Significantly more to look over all of our services available in your area and schedule an appointment today!
Weak Signals
If your key fob isn't able to respond to the buttons on the remote it could be a sign that the signaling isn't working correctly. Your car and key fob depend on radio signals to communicate, so weak or inconsistent signals can result in poor performance and range.
One of the first things to determine is if your fob's battery is low because this could significantly affect the sensitivity of the signal. Resetting the settings on the fob can also help restore a more regular response. The procedure differs from vehicle to vehicle, so your owner's manual or a phone call to the help line of the manufacturer is probably the best source of information here.
Other factors can cause weak fob signals, such as interference from other devices operating on the same frequency as your key fob. Other key fobs as well as wireless communication devices may interfere with the signal RF (radio-frequency) signals your key fob sends to connect to the vehicle's receiver.
Finally, physical damage to your key fob may affect the transmission of RF signals, which can result in poor range and performance. A blown fuse, a damaged or cracked button or a bent case could interfere with the transmission of signals and cause the remote to fail to respond.
You can fix the problem by resetting the fob's settings, or by replacing the battery. If your fob is damaged, it's time to replace it altogether.
Lastly, don't forget that if you have a spare key fob that is part of your vehicle, this can be used in place of the primary remote in the event that it begins to fail. You should try this solution first to see if you can resolve the issue before buying another remote. In this case it may be time to call a professional auto-locksmith. They'll be able to diagnose the problem and recommend the best method of action.
Physical Damage

It's not common for key fobs to experience issues from time to time. Most of the time, these issues are not complex or difficult to fix and can be solved by following a few easy steps. It's also a good idea to have spare batteries or another key fob in the event that one of your keys ever ceases to function.
A dead battery is the most frequent reason why a key fob in a car is not working. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They can be replaced and are available at most pharmacies and stores. Open the fob's case with an screwdriver that is flat and gently remove the battery you have. Replace the battery, making sure it's not damaged or loose. The majority of fobs use CR2032 batteries. However, yours might require an alternative kind.
Your fob might also stop responding to the buttons if it loses its connection to the car. This can happen due to a variety of factors, such as changing the batteries, however it is usually easy for an auto Locksmith or your local dealer to fix.
If none of the methods above work, you can try this trick: unplug the batteries from the car and fob for a short period of time and then connect them in reverse order. This could trigger a reboot within the system, and in some cases, this alone will fix the problem without doing any of the other steps.
Keep the fob clear of water or other sources of damage while playing around. The fob is quite durable, but it's important to take care with it if you want it to last as long as you can.
If none of the troubleshooting steps above are helpful you, you may have to replace your key fob. If yours has been dropped or tripped on, or subjected to other environmental hazards, it could be damaged beyond repair and requires a replacement. If that's the case, you should be sure to shop around to find a bargain before making a final decision.
Lost Fob
Even with the best of care keys to cars will occasionally stop working. If you lose yours, it can be extremely expensive to replace it, especially if you don't have a spare. "You might end up paying $50 or more to purchase an alternative from a dealer and get it programmed, as well as an additional mechanical backup which will cost at least another $100," says Mel Yu an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob to stop working is a simple issue, such as a weak battery. If you are familiar with how to replace the battery, or if the owner's manual contains instructions, you can try it yourself. If that doesn't work, you'll have to call an expert.
A locksmith is in a position to assist you in finding the lost fob or have it replaced. They'll also probably have an idea of the reason your fob stopped working in the first instance. If your car is old and does not come with smart technology it is still possible to save money by recording the key number plate on your mechanical backup key. It's typically hidden behind an ornamental keychain. If you need to reprogram your car's key fob, the locksmith can perform the task more easily.
If the key fob you have is a smart key of the present and you want to change it, you'll need to go to a car dealership or locksmith to deprogram it and get a new one created and this can be more expensive than simply replacing it. That's because modern key fobs utilize rolling-code encryption to prevent thieves from getting into the car. This means that the locksmith needs to have an exclusive programming tool that only the car manufacturer has, which adds to the overall expense.
In the majority of instances, the entire service will be charged at once. This includes all costs for reprogramming a new keyfob. Depending on the vehicle, that can run from $20 at some stores to $200 or more at a dealership for cars.